Air filtration device



FIG. 1 is a top front right perspective view of an air filtration device showing our new design.

FIG. 2 is a top front left perspective view thereof

FIG. 3 is a top back right perspective view thereof.

FIG. 4 is a bottom back left perspective view thereof.

FIG. 5 is a front side elevation view thereof.

FIG. 6 is a rear side elevation view thereof.

FIG. 7 is a right side elevation view thereof.

FIG. 8 is a left side elevational view thereof.

FIG. 9 is a top plan view thereof; and,

FIG. 10 is a bottom plan view thereof.

The broken line showing of parts of the drawings is included for the purpose of illustrating use and environment and forms no part of the claimed design. 

CLAIM The ornamental design for an air filtration device, as shown and described herein. 